With the wealth of cheap and highly integrated audio amplifier modules on the market ... looks like it’s cobbled together from junk, your tube-making game gets a lot harder.

Bluetooth, and RCA input, all capable of driving passive speakers and powered subwoofers to upgrade your audio system. The BL20C stereo receiver amplifier boasts the STMicroelectronics TDA7498E ...

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s ...

Zekelman Industries announced Thursday that it will invest up to $120 million to expand the manufacturing capabilities and product offerings of its subsidiary, Atlas Tube, in Mississippi County. The ...